Law of Sines / Sine Rule

For any triangle ABC, we learnt that:

Dividing by abc, we get the Law of Sines :

We can also write the Law of Sines as:

We can use the Law of Sines when solving triangles. Solving a triangle means to find the unknown lengths and angles of the triangle.

The following video shows an example of solving triangles using Law of Sines

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